Computer Sciences MCQs Chapter 9 Class 12

NUST Entry test NET 2023 contains most of the Computer Sciences MCQs. FSC ICS Part 2 Computer book MCQs. HSSC Computer Sciences CS questions MCQs. Solved Chapterwise Computer Sciences MCQs for first-year 12 class MCQs. Second-year and first-year Computer Sciences textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

137

Created on February 22, 2023 By Ali Durrani

Computer Sciences Ch 9 Class 12

This is the Free Access to Limited MCQs. Enroll to PLS Boost Premium Bundle to Get More MCQs HERE

1 / 20

10. The symbol = represents:

Comparison operator

Equal to operator

Assignment operator

None of these

2 / 20

11. Which of the operator has lowest presidence

3 / 20

18. a b is equivalent to

b -F= a

a =+ b

a=a+b

b=b-Fa

4 / 20

15. In C, the maximum length of variable name is:

256

5 / 20

1. Variables are created in

RAM

ROM

HARD DIS

CACHE

6 / 20

16. C is a strongly typed language, this means that:

Every program must be compiled before execution

Every variable must be declared before it is being used

The variable declaration also defines the variable

Sufficient data types are available to manipulate each type of data

7 / 20

is not a valid variable

6_XYZ

roll no

XYZ

ABC

8 / 20

How many keywords are in C?

100

9 / 20

20. elements of program in not token:

keyword

string constant

variable

comment

10 / 20

A quantity whose value cannot change during execution of

constant

keyword

variable

token

11 / 20

3. Which of the data type offers the highest precision?

float

long int

long double

unsigned long int

12 / 20

5. The predefined words of the programming language that are used for special purposes in the source program are called:

Keywords

Statements

Special words

Alphabet

13 / 20

. A quantity whose value may change during execution of program is called:

Constant

string constant

variable

token

14 / 20

14. Which of the following characters cannot be used as first character of a variable name?

15 / 20

2. Which of the following is a valid character constant?

"b"

'6'

16 / 20

13. is valid variable name

2-S

S-2

17 / 20

17. The logical not (!) operator is denoted as:

Ternary operator

Unary operator

Binary operator

Bitwise operator

18 / 20

19. The words used to write the statements of a program are called

Special Words

Words

Keywords

Alphabets

19 / 20

4. When the result of the computation of two very small numbers is too small to be represented, this phenomenon is called:

Arithmetic overflow

Arithmetic underflow

Truncation

Round off

20 / 20

12. Relational operators are used to

Establish a relationship among variables

Compare two values.

Construct compound condition

Perform arithmetic operations.

Your score is

The average score is 71%

Learn Anytime Anywhere

PakLearningSpot

Download PLS Mobile App from Google Play Store